{
  "schema": "ATLAS_CLARUS_NATURE_COLOUR_CATALOGUE_VOLUME_v0_1",
  "catalogue_series": "Leaves and Forests",
  "volume": "01",
  "release": "1.0.0",
  "publication_date": "2026-09-21",
  "immutable_publication": true,
  "status": "IMAGE_DERIVED",
  "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
  "entry_count": 8,
  "entry_range": [
    1,
    8
  ],
  "pkl_master_sha256": "8283ab91b10f89ac758d09ecf5fb4d6343536600a06dd468b1cc1ecf4ec747c4",
  "pkl_master_rows": 13283,
  "designer_layer_version": "0.1.0",
  "scope_note": "Photographic RGB appearance only; not a physical, spectral or colorimetric plant measurement. Botanical terms are visual labels, not botanical verification.",
  "entries": [
    {
      "no": 1,
      "file": "01_beech.jpg",
      "common": "Fresh beech leaf",
      "botanical": "Fagus sylvatica (visual label)",
      "photographer": "Dominicus Johannes Bergsma",
      "license": "CC BY-SA 4.0",
      "license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
      "page": "https://commons.wikimedia.org/wiki/File:Nieuw_blad_van_een_beuk_(Fagus_sylvatica)._26-04-2020_(d.j.b.)_01.jpg",
      "source_title": "Fresh new leaf from one Fagus sylvatica",
      "source_image_sha256": "6ba56f97d62bb4b83294a3a0bf8ca45afd128aea1947803071bcea16039fe422",
      "source_dimensions": [
        3620,
        2434
      ],
      "sample_definition": {
        "shape": "circle",
        "center_relative_xy": [
          0.285,
          0.405
        ],
        "radius_relative_to_short_side": 0.04,
        "center_pixel_xy": [
          1032,
          986
        ],
        "radius_pixels": 97,
        "sample_pixel_count": 29525,
        "statistic": "per-channel median RGB"
      },
      "source_rgb": [
        151,
        172,
        1
      ],
      "source_hex": "#97AC01",
      "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
      "d2_rgb": 37,
      "atlas_row_id": 3930,
      "reference": "H105_L065_C070",
      "hlc": "H105_L065_C070",
      "master_rgb": [
        151,
        166,
        0
      ],
      "master_hex": "#97A600",
      "designer_name_en": "Medium-Light Vivid Yellow Green",
      "standard_name_en": "Strong Yellow Green"
    },
    {
      "no": 2,
      "file": "02_oak.jpg",
      "common": "Young oak leaf",
      "botanical": "Quercus robur (visual label)",
      "photographer": "W.carter",
      "license": "CC0 1.0",
      "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
      "page": "https://commons.wikimedia.org/wiki/File:New_oak_leaves_with_female_flowers.jpg",
      "source_title": "Young oak leaves and female flowers",
      "source_image_sha256": "71c0f2fb2fa89385955bca609cf9983d493137a81879005143606d0fa74d2802",
      "source_dimensions": [
        3720,
        2790
      ],
      "sample_definition": {
        "shape": "circle",
        "center_relative_xy": [
          0.615,
          0.515
        ],
        "radius_relative_to_short_side": 0.034,
        "center_pixel_xy": [
          2288,
          1437
        ],
        "radius_pixels": 95,
        "sample_pixel_count": 28345,
        "statistic": "per-channel median RGB"
      },
      "source_rgb": [
        178,
        169,
        58
      ],
      "source_hex": "#B2A93A",
      "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
      "d2_rgb": 62,
      "atlas_row_id": 3711,
      "reference": "H100_L070_C060",
      "hlc": "H100_L070_C060",
      "master_rgb": [
        177,
        175,
        53
      ],
      "master_hex": "#B1AF35",
      "designer_name_en": "Medium-Light Moderate Greenish Yellow",
      "standard_name_en": "Strong Greenish Yellow"
    },
    {
      "no": 3,
      "file": "03_birch.jpg",
      "common": "Silver birch leaf",
      "botanical": "Betula pendula (visual label)",
      "photographer": "Epistola8",
      "license": "CC BY-SA 4.0",
      "license_url": "https://creativecommons.org/licenses/by-sa/4.0/",
      "page": "https://commons.wikimedia.org/wiki/File:Silver_birch_leaf.jpg",
      "source_title": "Silver birch leaf",
      "source_image_sha256": "7ee38483e002cbd4876158b33f7dbe52e159f34aceb111c578f40f70af62d4eb",
      "source_dimensions": [
        1237,
        893
      ],
      "sample_definition": {
        "shape": "circle",
        "center_relative_xy": [
          0.4,
          0.26
        ],
        "radius_relative_to_short_side": 0.032,
        "center_pixel_xy": [
          495,
          232
        ],
        "radius_pixels": 29,
        "sample_pixel_count": 2629,
        "statistic": "per-channel median RGB"
      },
      "source_rgb": [
        68,
        174,
        2
      ],
      "source_hex": "#44AE02",
      "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
      "d2_rgb": 54,
      "atlas_row_id": 4708,
      "reference": "H125_L065_C095",
      "hlc": "H125_L065_C095",
      "master_rgb": [
        67,
        181,
        0
      ],
      "master_hex": "#43B500",
      "designer_name_en": "Medium-Light Vivid Yellowish Green",
      "standard_name_en": "Vivid Yellowish Green"
    },
    {
      "no": 4,
      "file": "04_fern.jpg",
      "common": "Young fern frond",
      "botanical": "Fern frond (visual label; species unverified)",
      "photographer": "Sergio Boscaino",
      "license": "CC BY 2.0",
      "license_url": "https://creativecommons.org/licenses/by/2.0/",
      "page": "https://commons.wikimedia.org/wiki/File:The_Prayer_-_Young_Fern_Frond_(26950828652).jpg",
      "source_title": "The Prayer - Young Fern Frond",
      "source_image_sha256": "50ac4f4593bc335827df11cce18de14a0428a7b5482f2c2a42a1f8e3e018ac4b",
      "source_dimensions": [
        3414,
        2268
      ],
      "sample_definition": {
        "shape": "circle",
        "center_relative_xy": [
          0.62,
          0.61
        ],
        "radius_relative_to_short_side": 0.032,
        "center_pixel_xy": [
          2117,
          1383
        ],
        "radius_pixels": 73,
        "sample_pixel_count": 16729,
        "statistic": "per-channel median RGB"
      },
      "source_rgb": [
        61,
        99,
        64
      ],
      "source_hex": "#3D6340",
      "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
      "d2_rgb": 29,
      "atlas_row_id": 5379,
      "reference": "H140_L040_C030",
      "hlc": "H140_L040_C030",
      "master_rgb": [
        61,
        104,
        62
      ],
      "master_hex": "#3D683E",
      "designer_name_en": "Medium-Dark Muted Yellowish Green",
      "standard_name_en": "Dark Yellowish Green"
    },
    {
      "no": 5,
      "file": "05_ivy.jpg",
      "common": "Ivy leaf",
      "botanical": "Hedera helix (visual label)",
      "photographer": "Wilfredor",
      "license": "CC0 1.0",
      "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
      "page": "https://commons.wikimedia.org/wiki/File:Hedera_helix_in_Innsbruck.jpg",
      "source_title": "Hedera helix in Innsbruck",
      "source_image_sha256": "2307bf786a68c52922c3bb6256ad8c40f4302aa37657083b0876283bb233b6e7",
      "source_dimensions": [
        8256,
        5504
      ],
      "sample_definition": {
        "shape": "circle",
        "center_relative_xy": [
          0.31,
          0.4
        ],
        "radius_relative_to_short_side": 0.018,
        "center_pixel_xy": [
          2559,
          2202
        ],
        "radius_pixels": 99,
        "sample_pixel_count": 30757,
        "statistic": "per-channel median RGB"
      },
      "source_rgb": [
        94,
        99,
        81
      ],
      "source_hex": "#5E6351",
      "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
      "d2_rgb": 17,
      "atlas_row_id": 4379,
      "reference": "H115_L040_C010",
      "hlc": "H115_L040_C010",
      "master_rgb": [
        92,
        96,
        79
      ],
      "master_hex": "#5C604F",
      "designer_name_en": "Medium-Dark Soft Olive Green",
      "standard_name_en": "Grayish Olive Green"
    },
    {
      "no": 6,
      "file": "06_moss.jpg",
      "common": "Moss",
      "botanical": "Moss (visual label; species unverified)",
      "photographer": "Theo Crazzolara",
      "license": "CC BY 2.0",
      "license_url": "https://creativecommons.org/licenses/by/2.0/",
      "page": "https://commons.wikimedia.org/wiki/File:Moss_Macro_(49346930647).jpg",
      "source_title": "Moss Macro",
      "source_image_sha256": "25af4a4013989214c04997cb29570d15cea8d6d95ddd44cd233b8bb4ab6a3221",
      "source_dimensions": [
        6000,
        4000
      ],
      "sample_definition": {
        "shape": "circle",
        "center_relative_xy": [
          0.47,
          0.69
        ],
        "radius_relative_to_short_side": 0.028,
        "center_pixel_xy": [
          2820,
          2760
        ],
        "radius_pixels": 112,
        "sample_pixel_count": 39381,
        "statistic": "per-channel median RGB"
      },
      "source_rgb": [
        185,
        184,
        1
      ],
      "source_hex": "#B9B801",
      "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
      "d2_rgb": 46,
      "atlas_row_id": 3696,
      "reference": "H100_L075_C080",
      "hlc": "H100_L075_C080",
      "master_rgb": [
        188,
        190,
        0
      ],
      "master_hex": "#BCBE00",
      "designer_name_en": "Medium-Light Vivid Greenish Yellow",
      "standard_name_en": "Vivid Greenish Yellow"
    },
    {
      "no": 7,
      "file": "07_pine.jpg",
      "common": "Pine needles",
      "botanical": "Pinus species (visual label; species unverified)",
      "photographer": "Dmitri Popov",
      "license": "CC BY-SA 3.0",
      "license_url": "https://creativecommons.org/licenses/by-sa/3.0/",
      "page": "https://commons.wikimedia.org/wiki/File:Pine_Tree_Needles_(Macro).jpg",
      "source_title": "Pine Tree Needles (Macro)",
      "source_image_sha256": "3f7d3759abbadffea61f8f369b30d61110bb086ad496a64b7d923f8321798412",
      "source_dimensions": [
        4120,
        2747
      ],
      "sample_definition": {
        "shape": "circle",
        "center_relative_xy": [
          0.315,
          0.5
        ],
        "radius_relative_to_short_side": 0.027,
        "center_pixel_xy": [
          1298,
          1374
        ],
        "radius_pixels": 74,
        "sample_pixel_count": 17193,
        "statistic": "per-channel median RGB"
      },
      "source_rgb": [
        103,
        132,
        97
      ],
      "source_hex": "#678461",
      "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
      "d2_rgb": 49,
      "atlas_row_id": 5143,
      "reference": "H135_L050_C020",
      "hlc": "H135_L050_C020",
      "master_rgb": [
        101,
        126,
        94
      ],
      "master_hex": "#657E5E",
      "designer_name_en": "Medium Muted Yellowish Green",
      "standard_name_en": "Moderate Yellowish Green"
    },
    {
      "no": 8,
      "file": "08_maple.jpg",
      "common": "Autumn maple leaf",
      "botanical": "Maple leaf (visual label; species unverified)",
      "photographer": "Kaye Hanson",
      "license": "CC0 1.0",
      "license_url": "https://creativecommons.org/publicdomain/zero/1.0/",
      "page": "https://commons.wikimedia.org/wiki/File:Autumn_maple_leaf_(Unsplash).jpg",
      "source_title": "Autumn maple leaf (originally published on Unsplash in 2016)",
      "source_image_sha256": "88eaa4b29762893514d4bf8ded277b9b32ce717f8d0b06d1b6b8302abf4e0d98",
      "source_dimensions": [
        5184,
        3456
      ],
      "sample_definition": {
        "shape": "circle",
        "center_relative_xy": [
          0.535,
          0.545
        ],
        "radius_relative_to_short_side": 0.04,
        "center_pixel_xy": [
          2773,
          1884
        ],
        "radius_pixels": 138,
        "sample_pixel_count": 59805,
        "statistic": "per-channel median RGB"
      },
      "source_rgb": [
        195,
        120,
        26
      ],
      "source_hex": "#C3781A",
      "assignment_mode": "RGB_ONLY_NEAREST_SQUARED_DISTANCE",
      "d2_rgb": 94,
      "atlas_row_id": 2544,
      "reference": "H070_L060_C065",
      "hlc": "H070_L060_C065",
      "master_rgb": [
        198,
        129,
        24
      ],
      "master_hex": "#C68118",
      "designer_name_en": "Medium Vivid Orange Yellow",
      "standard_name_en": "Deep Orange Yellow"
    }
  ]
}